162900 (2001 HG31)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5356275917 ± 1.39e-08
Semi-major axis (a)2.5762499943 AU ± 7.82e-09
Inclination (i)6.15830412° ± 1.96e-06
Long. of Asc. Node (Ω)36.49521184° ± 1.24e-05
Arg. of Perihelion (ω)67.43077182° ± 1.31e-05
Mean Anomaly (M)21.59379751° ± 7.64e-06
Mean Motion (n)0.2383582951°/day ± 1.08e-09
Perihelion dist (q)1.19633941 AU ± 3.60e-08
Aphelion dist (Q)3.95616057 AU ± 3.78e-08
Orbital Period4.13506181 yr ± 1.88e-08
Physical Parameters
H (abs. magnitude)15.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.328″
Uncertainty0
Orbit TypeAmor
MOID0.237643 AU
Observations Used1231
Oppositions18
Arc Total2001-2025
First Observation Used2001-02-22
Last Observation Used2025-12-30
Observations (1309)
Date Type RA Dec Mag Band Observatory
2012-11-04 04:50:40 C 23 37 49.73 -06 33 05.0 18.2 c 704
2012-11-11 03:11:00 C 23 34 43.47 -06 08 53.7 18.3 c 704
2012-11-11 03:33:23 C 23 34 43.15 -06 08 49.6 19.0 c 704
2012-11-11 03:54:31 C 23 34 42.81 -06 08 44.9 18.8 c 704
2012-11-11 04:15:56 C 23 34 42.52 -06 08 41.4 18.4 c 704
2012-11-12 03:13:45 C 23 34 26.91 -06 04 15.3 18.7 c 704
2012-11-12 03:35:47 C 23 34 26.65 -06 04 10.9 19.0 c 704
2012-11-12 03:59:55 C 23 34 26.32 -06 04 06.7 18.7 c 704
2012-11-12 04:22:47 C 23 34 26.05 -06 04 02.7 19.0 c 704
2012-11-12 04:47:05 C 23 34 25.73 -06 03 56.6 18.8 c 704
2012-11-25 06:44:14 C 23 35 01.026 -04 38 07.19 L F51
2012-11-25 07:00:27 C 23 35 01.222 -04 38 01.37 L F51
2012-12-04 02:57:44 C 23 39 36.57 -03 15 34.0 18.6 c 704
2012-12-04 03:16:18 C 23 39 37.03 -03 15 26.9 18.8 c 704
2012-12-04 03:34:53 C 23 39 37.59 -03 15 18.5 18.9 c 704
2012-12-04 03:53:28 C 23 39 38.06 -03 15 10.3 19.0 c 704
2012-12-04 04:13:34 C 23 39 38.62 -03 15 01.9 18.9 c 704
2012-12-11 03:23:11 C 23 45 29.30 -01 57 12.0 r 703
2012-12-11 03:30:01 C 23 45 29.59 -01 57 08.2 r 703
2012-12-11 03:36:53 C 23 45 29.80 -01 57 04.8 r 703
2012-12-11 03:43:44 C 23 45 30.06 -01 57 01.2 r 703
2012-12-24 04:07:01 C 00 01 14.66 +00 56 07.2 r 703
2012-12-24 04:14:49 C 00 01 15.06 +00 56 11.7 r 703
2012-12-24 04:22:37 C 00 01 15.60 +00 56 17.3 r 703
2012-12-24 04:30:27 C 00 01 16.10 +00 56 21.7 r 703
2013-01-04 02:01:56 C 00 18 50.25 +03 46 08.0 u 703
2013-01-04 02:11:31 C 00 18 50.86 +03 46 15.2 u 703
2013-01-04 02:21:14 C 00 18 51.58 +03 46 21.7 u 703
2013-01-10 01:48:44 C 00 30 05.00 +05 28 01.1 r 703
2013-01-10 01:56:58 C 00 30 05.65 +05 28 07.2 r 703
2013-01-10 02:04:16 C 00 30 06.26 +05 28 12.9 r 703
2013-01-10 02:11:31 C 00 30 06.91 +05 28 17.1 r 703
2013-02-06 02:46:56 C 01 34 30.43 +14 02 30.7 r 703
2013-02-06 02:54:06 C 01 34 31.29 +14 02 36.3 r 703
2013-02-06 03:01:22 C 01 34 32.12 +14 02 42.5 r 703
2013-02-11 05:35:08 C 01 49 15.869 +15 45 03.78 L F51
2013-02-11 05:50:16 C 01 49 17.722 +15 45 16.31 L F51
2013-02-11 05:57:51 C 01 49 18.650 +15 45 22.60 L F51
2013-02-28 18:17:50 C 02 46 23.87 +21 25 33.2 q C73
2013-02-28 18:18:59 C 02 46 24.03 +21 25 34.0 q C73
2013-02-28 18:20:09 C 02 46 24.22 +21 25 35.1 q C73
2013-02-28 18:21:18 C 02 46 24.39 +21 25 35.9 q C73
2013-02-28 18:22:27 C 02 46 24.56 +21 25 36.9 q C73
2013-02-28 18:23:37 C 02 46 24.73 +21 25 37.4 q C73
2013-02-28 18:24:46 C 02 46 24.92 +21 25 38.0 q C73
2013-02-28 18:25:56 C 02 46 25.06 +21 25 38.8 q C73
2013-02-28 18:27:06 C 02 46 25.19 +21 25 39.7 q C73
2013-02-28 18:28:15 C 02 46 25.31 +21 25 41.5 q C73
2013-03-01 03:04:17 C 02 47 41.85 +21 32 16.4 u 703
2013-03-01 03:11:32 C 02 47 42.90 +21 32 21.5 u 703